127916760845 has 8 divisors (see below), whose sum is σ = 153550608120. Its totient is φ = 102299745280.

The previous prime is 127916760841. The next prime is 127916760863. The reversal of 127916760845 is 548067619721.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 92453091721 + 35463669124 = 304061^2 + 188318^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 127916760845 - 2² = 127916760841 is a prime.

It is a super-2 number, since 2×127916760845² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127916760841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4191200 + ... + 4221609.

It is an arithmetic number, because the mean of its divisors is an integer number (19193826015).

Almost surely, 2^127916760845 is an apocalyptic number.

It is an amenable number.

127916760845 is a deficient number, since it is larger than the sum of its proper divisors (25633847275).

127916760845 is an equidigital number, since it uses as much as digits as its factorization.

127916760845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8415855.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 127916760845 in words is "one hundred twenty-seven billion, nine hundred sixteen million, seven hundred sixty thousand, eight hundred forty-five".